"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 导入导出、备份恢复工具支持M*兼容性
Case Name   : 导出导入支持M*语法创建触发器测试
Create At   : 2023.05.04
Owner       : z@wan005
Description :
    1.创建兼容b库
    2.兼容b库下创建测试表和用户
    3.使用M*风格语法创建触发器
    4.使用gs_dump工具导出为目录格式
    5.导入之前导出的数据到新库
    6.连接导入库查询
    7.验证触发器生效，给源表插入数据
    8.查询触发表
    9.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.触发器导入成功
    7.成功
    8.成功，插入数据
    9.成功
History     :
"""

import os
import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class GsDump0044(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.dbuser_node = Node('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_dump_0044"
        self.db_name_01 = "db_dump_0044_01"
        self.tb_name = "tb_dump_0044"
        self.user_name = "user_dump_0044"
        self.trigger_name = "trigger_dump_0044"
        self.dump_path = os.path.join(macro.DB_BACKUP_PATH, 'dump0044')

    def test_server_tools(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        text = '----step1: 创建兼容b库 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} dbcompatibility 'b';" \
                  f"drop database if exists {self.db_name_01};" \
                  f"create database {self.db_name_01} dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_result)
        self.assertEqual(2, sql_result.count(
            self.constant.CREATE_DATABASE_SUCCESS), '执行失败:' + text)

        text = '----step2: 兼容b库下创建测试表和用户 expect: 成功----'
        self.log.info(text)
        sql_cmd = f'''drop table if exists {self.tb_name},{self.tb_name}_01;
        create table {self.tb_name}(c int);
        create table {self.tb_name}_01(c int);
        drop user if exists {self.user_name};
        create user {self.user_name} with sysadmin password \
        '{macro.PASSWD_INITIAL}';
        grant all on {self.tb_name}, {self.tb_name}_01 to {self.user_name};'''
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertEqual(2,
                         sql_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         '执行失败:' + text)
        self.assertIn(self.constant.CREATE_ROLE_SUCCESS_MSG, sql_result,
                      '执行失败:' + text)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG,
                      sql_result, '执行失败:' + text)

        text = '----step3: 使用M*风格语法创建触发器 expect: 成功----'
        self.log.info(text)
        sql_cmd = f'''create definer = {self.user_name} trigger if not \
        exists {self.trigger_name}
        after insert on {self.tb_name}
        for each row
        begin
                insert into {self.tb_name}_01(c) values(3);
        end;'''
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertIn(self.constant.TRIGGER_CREATE_SUCCESS_MSG, sql_result,
                      '执行失败:' + text)

        text = '----step4: 使用gs_dump工具导出目录归档格式 expect: 成功----'
        self.log.info(text)
        gs_dump_cmd = f"source {macro.DB_ENV_PATH};" \
                      f"gs_dump " \
                      f"-p {self.dbuser_node.db_port} " \
                      f"{self.db_name} -F d " \
                      f"-f {self.dump_path}"
        self.log.info(gs_dump_cmd)
        dump_msg = self.dbuser_node.sh(gs_dump_cmd).result()
        self.log.info(dump_msg)
        self.assertIn(f"dump database {self.db_name} successfully",
                      dump_msg, '执行失败:' + text)

        text = '----step5: 导入之前导出的数据到新库 expect: 成功----'
        self.log.info(text)
        gs_restore_cmd = f"source {macro.DB_ENV_PATH};" \
                         f"gs_restore -p {self.dbuser_node.db_port} " \
                         f"-d {self.db_name_01} " \
                         f"{self.dump_path}"
        self.log.info(gs_restore_cmd)
        restore_msg = self.dbuser_node.sh(gs_restore_cmd).result()
        self.log.info(restore_msg)
        self.assertIn(self.constant.RESTORE_SUCCESS_MSG, restore_msg,
                      '执行失败:' + text)

        text = '----step6: 连接导入库查询 expect:触发器导入成功----'
        self.log.info(text)
        sql_cmd = f"select tgname from pg_trigger order by tgname;" \
                  f"show create trigger {self.trigger_name};"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name_01)
        self.log.info(sql_result)
        self.assertIn(
            f'CREATE DEFINER = {self.user_name} TRIGGER {self.trigger_name}',
            sql_result, '执行失败:' + text)

        text = '----step7: 验证触发器生效，给源表插入数据 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"insert {self.tb_name} values(10);"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name_01)
        self.log.info(sql_result)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG, sql_result,
                      '执行失败:' + text)

        text = '----step8: 查询触发表 expect: 成功，插入数据----'
        self.log.info(text)
        sql_cmd = f" select * from {self.tb_name}_01;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name_01)
        self.log.info(sql_result)
        self.assertEqual('3', sql_result.splitlines()[-2].strip(),
                         '执行失败:' + text)

    def tearDown(self):
        text = '---step9: 清理环境 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop database if exists {self.db_name_01};" \
                  f"drop user if exists {self.user_name};"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname='postgres')
        self.log.info(sql_result)
        rm_cmd = f"rm -rf {self.dump_path}"
        self.log.info(rm_cmd)
        rm_msg = self.dbuser_node.sh(rm_cmd).result()
        self.log.info(rm_msg)
        self.assertEqual(2,
                         sql_result.count(self.constant.DROP_DATABASE_SUCCESS),
                         '执行失败:' + text)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, sql_result,
                      '执行失败:' + text)
        self.assertEqual('', rm_msg, '执行失败:' + text)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
